| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.bordeaux.services; |
| |
| import android.os.IBinder; |
| import android.util.Log; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.List; |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.Set; |
| import java.util.Iterator; |
| import android.bordeaux.services.AggregatorManager; |
| import android.bordeaux.services.Aggregator; |
| import java.io.Serializable; |
| |
| class FeatureAssembly { |
| private static final String TAG = "FeatureAssembly"; |
| private List<String> mPossibleFeatures; |
| private HashSet<String> mUseFeatures; |
| private AggregatorManager mAggregatorManager; |
| |
| public FeatureAssembly() { |
| mAggregatorManager = AggregatorManager.getInstance(); |
| mPossibleFeatures = Arrays.asList(mAggregatorManager.getListOfFeatures()); |
| mUseFeatures = new HashSet<String>(); |
| } |
| |
| public boolean registerFeature(String s) { |
| boolean res = mPossibleFeatures.contains(s); |
| if (res){ |
| if (!mUseFeatures.contains(s)) |
| mUseFeatures.add(s); |
| } |
| return res; |
| } |
| |
| public Set<String> getUsedFeatures() { |
| return (Set) mUseFeatures; |
| } |
| |
| public Map<String, String> getFeatureMap() { |
| HashMap<String, String> featureMap = new HashMap<String, String>(); |
| |
| Iterator itr = mUseFeatures.iterator(); |
| while(itr.hasNext()) { |
| String f = (String) itr.next(); |
| Map<String, String> features = mAggregatorManager.getDataMap(f); |
| |
| // TODO: sanity check for now. |
| if (features.size() > 1) { |
| throw new RuntimeException("Incorrect feature format extracted from aggregator."); |
| } |
| |
| featureMap.putAll(features); |
| } |
| return (Map)featureMap; |
| } |
| |
| public String augmentFeatureInputString(String s) { |
| String fs = s; |
| Iterator itr = mUseFeatures.iterator(); |
| while(itr.hasNext()) { |
| String f = (String) itr.next(); |
| fs = fs + "+" + mAggregatorManager.getDataMap(f).get(f); |
| } |
| return fs; |
| } |
| } |